<script setup>
import LayoutFooter from '@/views/Layout/components/LayoutFooter.vue'
import { User, Lock } from '@element-plus/icons-vue'
import { ref, watch, onMounted } from 'vue'
import { userRegisterService, userLoginService } from '@/apis/user'
import { useUserStore } from '@/stores/user'
import { useRouter, useRoute } from 'vue-router'

const isRegister = ref(false)
const form = ref()

const UserStore = useUserStore()
const router = useRouter()
const route = useRoute()

onMounted(() => {
  // 显示登录或者是注册页面
  isRegister.value = route.query.isRegister === 'true' ? true : false
})

// 整个的用于提交的form数据对象
const formModel = ref({
  username: '',
  password: '',
  repassword: ''
})

// 整个表单的校验规则
const rules = {
  username: [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    {
      pattern: /^[a-zA-Z0-9_]{5,10}$/,
      message: '用户名必须是5-10位的字符',
      trigger: 'blur'
    }
  ],
  password: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是6-15位非空字符',
      trigger: 'blur'
    }
  ],
  repassword: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是6-15位非空字符',
      trigger: 'blur'
    },
    {
      validator: (rule, value, callback) => {
        if (value !== formModel.value.password) {
          callback(new Error('两次输入的密码不一致'))
        } else {
          callback() //校验成功也需要callback
        }
      },
      trigger: 'blur'
    }
  ]
}

// 注册账号
const register = async () => {
  await form.value.validate()
  await userRegisterService(formModel.value)
  ElMessage.success('注册成功！')
  isRegister.value = false
}

// 登录账号
const login = async () => {
  await form.value.validate()
  const res = await userLoginService(formModel.value)
  UserStore.setUserList(res.data.user)
  ElMessage.success('登录成功！')
  router.push('/')
}

// 切换的时候，清空表单的内容
watch(isRegister, () => {
  formModel.value = {
    username: '',
    password: '',
    repassword: ''
  }
})
</script>

<template>
  <div class="container">
    <div class="head">
      <!-- 网页logo -->
      <router-link to="/">
        <div class="logo"></div>
      </router-link>

      <router-link to="/">
        <div class="back">返回首页 <i class="iconfont icon-qianjin1"></i></div>
      </router-link>
    </div>

    <div class="content">
      <div class="form">
        <!-- 注册页面 -->
        <el-form
          :model="formModel"
          :rules="rules"
          ref="form"
          size="large"
          autocomplete="off"
          v-if="isRegister"
        >
          <el-form-item>
            <h1>注册</h1>
          </el-form-item>
          <el-form-item prop="username">
            <el-input
              v-model="formModel.username"
              :prefix-icon="User"
              placeholder="请输入用户名"
            ></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="formModel.password"
              :prefix-icon="Lock"
              type="password"
              placeholder="请输入密码"
            ></el-input>
          </el-form-item>
          <el-form-item prop="repassword">
            <el-input
              v-model="formModel.repassword"
              :prefix-icon="Lock"
              type="password"
              placeholder="请输入再次密码"
              @keyup.enter="register"
            ></el-input>
          </el-form-item>
          <el-form-item>
            <el-button
              @click="register"
              class="button"
              type="primary"
              auto-insert-space
            >
              注册
            </el-button>
          </el-form-item>
          <el-form-item class="flex">
            <el-link
              type="info"
              :underline="false"
              @click="isRegister = false"
              class="trans"
            >
              <i class="iconfont icon-houtui"></i>&nbsp;登录账号
            </el-link>
          </el-form-item>
        </el-form>

        <!-- 登录页面 -->
        <el-form
          :model="formModel"
          :rules="rules"
          ref="form"
          size="large"
          autocomplete="off"
          v-else
        >
          <el-form-item>
            <h1>登录</h1>
          </el-form-item>
          <el-form-item prop="username">
            <el-input
              v-model="formModel.username"
              :prefix-icon="User"
              placeholder="请输入用户名"
            ></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="formModel.password"
              name="password"
              :prefix-icon="Lock"
              type="password"
              placeholder="请输入密码"
              @keyup.enter="login"
            ></el-input>
          </el-form-item>
          <el-form-item>
            <el-button
              @click="login"
              class="button"
              type="primary"
              auto-insert-space
              >登录</el-button
            >
          </el-form-item>
          <el-form-item class="flex">
            <el-link
              type="info"
              :underline="false"
              @click="isRegister = true"
              class="trans"
            >
              注册账号&nbsp;<i class="iconfont icon-qianjin"></i>
            </el-link>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
  <LayoutFooter></LayoutFooter>
</template>

<style lang="scss" scoped>
.container {
  width: auto;

  .head {
    display: flex;
    height: 100px;
    justify-content: space-between;
    background-color: #ffffff;
    border-radius: 20px 20px 0 0;
    align-items: center;
    padding: 50px;

    .logo {
      width: 200px;
      height: 100px;
      background-image: url('@/assets/images/logo.webp');
      background-size: cover;
      background-position: center;
    }

    .back {
      font-size: 18px;
      font-weight: bold;

      &:hover {
        color: $ljhColor;
      }
    }
  }

  .content {
    background: url('@/assets/images/login-back.webp') no-repeat center center;
    background-size: cover;
    width: auto;
    min-height: 850px;
    display: flex;
    justify-content: flex-end;

    .form {
      display: flex;
      width: 500px;
      height: 500px;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      background-color: #fff;
      margin: 200px;
      border-radius: 50px;
      box-shadow: 20px;
      transition:
        transform 2s ease,
        box-shadow 2s ease;

      &:hover {
        transform: translateY(-5px) scale(1.01); // 垂直位移和轻微缩放
        transition:
          transform 1s ease,
          box-shadow 1s ease; // 仅过渡需要的属性
        box-shadow:
          0 5px 5px rgba(0, 0, 0, 0.5),
          0 2px 2px rgba(0, 0, 0, 0.5); // 改进阴影效果
      }

      .button {
        width: 100%;
        font-weight: bold;
        font-size: 16px;
      }

      .trans {
        font-size: 15px;
      }

      .flex {
        width: 300px;
        display: flex;
        justify-content: space-between;
      }
    }
  }
}
</style>
